Este estudo descreve aspectos da biologia floral e sistema reprodutivo de Passiflora edulis f. flavicarpa (Passifloraceae), incluindo os padrões de forrageio e comportamento dos visitantes florais. O estudo foi desenvolvido em cultivo irrigado no Projeto
Kátia Maria Medeiros de Siqueira +5 more
doaj +1 more source
On the breeding behaviour of leucistic birds: case study in the Blackbird (Turdus merula) [PDF]
The breeding behaviour of leucistic birds is poorly known. The Blackbird is the species in which leucism occurs most frequently in Europe. In Slovakia, a total of 35 records of leucistic individuals with different range of white coloration have been ...
Ján Kočí, Anton Krištín
doaj +1 more source
Success Breeds Success Locally: A Tale of Incubator Firms [PDF]
This paper focuses on the pre-establishment period of start-ups in industrial districts. The industrial architecture is what I call a "rationed agglomeration" in which some entrepreneurs gather around an established firm while other entrepreneurs in the same business stand alone.
openaire +6 more sources
Correlates of early reproduction and apparent fitness consequences in male Soay sheep
Life history trade‐offs are ubiquitous across species and place constraints on the timing of life history events, including the optimal age at first reproduction.
Elisabeth G. Chapman +2 more
doaj +1 more source
Interspecific synchrony of seabird population growth rate and breeding success [PDF]
Environmental variability can destabilize communities by causing correlated interspecific fluctuations that weaken the portfolio effect, yet evidence of such a mechanism is rare in natural systems.
Ojanguren, Alfredo F. +6 more
core +1 more source
Productividad, fecha de puesta y sex-ratio del águila de Bonelli (Aquila fasciata) en el alto valle del Ebro (España): influencia de la gestión en los cambios demográficos [PDF]
Se analizan los parámetros reproductivos y la fecha de puesta deducida de la monitorización entre 1989 y 2025 de los 14 territorios de águila de Bonelli (Aquila fasciata) existentes en el alto valle del Ebro: Navarra (n=5), La Rioja (n=6) y Álava-Araba ...
Carmelo Fernández +2 more
doaj +1 more source
Individual variation in reproductive success in the wandering Albatross [PDF]
To conserve threatened species it is important to protect the productive individuals, and so I aimed to identify factors accounting for individual-level variation in long-term reproductive success.
Jones, M Genevieve W
core +1 more source
Compensatory Breeding in Years Following Drought in a Desert-Dwelling Cooperative Breeder
Variation in weather patterns can influence reproductive effort and success not only within but also between breeding seasons. Where environmental conditions can be highly variable between years, the weather, and particularly extreme weather events such ...
Amanda R. Bourne +5 more
doaj +1 more source
Breeding habitat characteristics of Canada Warblers in central Alberta
Determining habitat attributes used by animals of conservation concern at different spatial scales is a key aspect of developing effective recovery plans.
Richard G. Krikun +3 more
doaj +1 more source
Offspring survival is critical to bird conservation and understanding avian life history. We monitored 73 nests belonging to six Passeriformes species in Ikh Nart Nature Reserve, Mongolia in 2017 and 2018.
Batzaya Tsogt +3 more
doaj +1 more source

